Provide guidance to HIV care practitioners on the optimal use of antiretroviral (ARV) agents for the treatment of HIV infection in adults and adolescents.

Morbidity and Mortality Weekly Report Recommendations and Reports: July 7, 2006 / Vol. 55 / No. RR-9

Occupational exposures to respirable crystalline silica occur in a variety of industries and occupations because of its extremely common natural occurrence and the wide uses of materials and products that contain it. At least 1.7 million U.S. workers are potentially exposed to respirable crystallin ... e silica [NIOSH 1991], and many are exposed to concentrations that exceed limits defined by current regulations and standards. more